package com.cucn.ingmall.product.exception;

import com.cucn.common.exception.BizCodeEnume;
import com.cucn.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 统一异常处理
 *
 * @author KouChaoJie
 * @since: 2021/11/26 16:30
 */
@Slf4j
@RestControllerAdvice
@ControllerAdvice(basePackages = "com.cucn.ingmall.product.controller")
public class IngmallExceptionControllerAdvice {

    /**
     * 处理数据校验异常
     *
     * @param e 数据校验异常类
     * @return 统一结果返回
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题:{},异常类型:{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach(fieldError -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg())
                .put("data", errorMap);
    }

    /**
     * 处理任意类型异常
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误:",throwable);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
